MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Primary tumor
A tumor that is at the original site where it first arose. For example, a primary brain tumor is one that arose in the brain as opposed to one that arose elsewhere and metastasized (spread) to the brain. The original tumor is sometimes…
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Show more- West Nile fever Fever: A febrile disease caused by the West Nile virus that is transmitted from birds to the common Culex…
- Stomach, Pavlov A pouch fashioned surgically from part of the stomach (but isolated from the rest of the stomach) that opens…
- Bronchitis, chronic Defined clinically as a daily cough with production of sputum for 3 months, two years in a row. In chronic…
- Adenopathy Large or 'swollen' lymph nodes. Synonymous with lymphadenopathy
- Anlagen The plural of anlage. See: Anlage
- Relapse The return of signs and symptoms of a disease after a patient has enjoyed a remission. For example, after…
- Enzyme A protein (or protein-based molecule) that speeds up a chemical reaction in a living organism. An enzyme acts…
- Mitochondria Normal structures responsible for energy production in cells. Mitochondria are located in the cytoplasm…
- Cognitive behavior therapy See: Cognitive therapy
- Peter Mansfield See: Mansfield, Peter
- Cyst, pilonidal A special kind of abscess that occurs in the cleft between the buttocks. Forms frequently in adolescence…
- Alport syndrome An hereditary condition characterized by kidney disease, sensorineural (nerve) deafness and sometimes eye…